Band-cutter guard.



J. M. WHITCOMB.

BAND CUTTER GUARD.

APPLICATION FILED APR-1.1915.

I Patented Nov. 2, 1915.

4%. GTWA atto'cnugo COLUMBIA PLANOORAYPH CQ-,\VASHINGTON, D. c.

30 r I transverse vertical section Jil 35?" i i citizen of the llnited V .wo'od Falls, in the county of Redwood and State of Minnesota,

nron.

AN me seem ZOnZZ may concern s Bc it known; that I, Jenn. lVHIfrco uB, a

States residing at ,Red-

have invented certain new and useful Improvements in Band-Cute make and use the 1 i y vertical section taken 'on [ter uards;

.ticularly to band band cutter gua r d s s both laterally and vertically rel'atively to the' and I do .declareithe following to be a! full,clear,. and enactdescription of the invention; such as .ivillflenable others skilled inthe art to wl ich itappertainsto same.

ntionrelates to feeding mechanismjforthreshing machines andjmore parcutter j guards for automatic feeders of grain threshing separators. The object ofthe invention .is to provide a which .may be adjusted knives toadapt for use on various kinds o f'grains in various conditions and,to adapt it for use as a cleanerforthegknives.

lVith this and otherobjects'in view,- the invention consists of certai n novel features of construction and .the cornbination and ELF-.1 Wlll be hereinafter rangement of parts as more fully described and claimed.

In the accompanying drawings: Figure 1 represents a vertical section through a por tion ofan automatic feeder showing the application of this improved guard; Fig. 2 is a taken on the line an enlarged detail the line 8-3 of view taken on the 5 is a detail per- 2-2of Fig. 1; Fig. 3 is Fig. 2; Fig. 4 is a similar line 4% of Fig. 2; Fig.

i spective view of one ofthe guards detached;

Fig. 6 is an enlarged detail showing the connection of the. guards to one of theirsupporting bars' In the embodiment shown a portion of an illustrated I have automatic feeder F having the usual conveying belt B for conreceiving bearings extending laterallyveying the bundles beneath the rotating shaft S on which are mounted a plurality of cutting blades C.

The blades or the shaft S in shaft being here cutters C are mounted on any sultable manner, said shown angular in cross secillOIlELl contour and the blades are provided with correspondingly shaped apertures to hold them against turning on, the shaft. Supported on the side members of the feeder F in planes above the shaft S and disposed on opposite sides thereof are bearing plates herein shown oblong in form with shaft by means of from their inner faces at {points midway r 8 are shown interposed between the kn ve a-11d am er n ho n o m pf h e meta p a e u stanb e ys m ei iile ie esssection .Q a Wi slightly less than the distance between the knives or blades Q a s :is shown clearly in Fig. 2. These guards 8 pass under the cut- ;ter shaft 1S land are connected at their coppo- .site'iends with the supporting shafts 3 and 4 peculiarly constructed clamps 9 shown mounted for longitudinal adjustment on the shafts 3 and eteach of which is connected on .opposite sides of one of the blades O'with the upper corners of adjacent guards 8. These clamps 9 are shown specifically in Figs. 4 and 6 and each comprises a shaft encircling longitudinally split band 10 provided at its split edges with laterally eX- tending apertured lugs 11 and 12 to receive clamping bolts 13 for a-djustably mounting said clamps on the shaft to which they are to be applied. Extending laterally from this band 10 preferably at a point diametrically opposite the lugs 11 and 12 are two longitudinally spaced apertured lugs 14 and 15 spaced apart a suflicient distance to permit the free passage between them of a blade C as is shown clearly in Fig. 2. Connected to each of these lugs 14 and 15 is one corner of a guard 8 which is secured thereto by V placing it in overlapping relation relative to the lug to which it is to be connectedfand passing a clamping bolt 16 therethrough. These guards are provided with slots 17 eX- tending in a plane parallel with the shaft on which the clamp carrying said guards is mounted to provide for the adjustment of the guard connected with this lug so that said guards may be adjusted toward or away from the respective knives, it being desirfor. connecting the plates in toward and away which they are designed to protect in order that grain may be passed under this attachanent in varylng conditions, for instance when the grain is wet and in bad condition the guards are lowered to hold the wetg'rain down adjacent the ends of the" knives C while said knives are rising and consequently 7 all possibility of the straw rising and wrap p ng-around the shaft S is prevented and all 7- po-ssibility of baeklashing is also-prevented.

v Nhen the cutter is to be used on loose grain the guardsS are preferablyraised by elevating-one or both of the shafts 3 or 4: with which the opposite ends of said guardsare connected. 7

I claim as my invention: 1. rlhe combination with frame, a cutter shaft mounted thereon,

K knives on said shaft, parallel guard support- 'ing' shafts carried by the frame arranged on opposite sides of said cutter shaft, and

curved guards extending under said supporting shaftsand provided with means for separate longitudinal adjustment with respect-to the cutter shaft; Y

Copiesof this patent may be obtained for five cents each, byad dressing the Gommissionerlof Patents,

knives on" said shaft,

a supporting I nesses.

2. The combination with a. supporting frame, 'a cutter shaft mounted I thereon,

shafts arranged on either side of the same in parallel relation therewith and in planes above the plane of .cally adjustable bearings for said guard supporting shafts onthe frame, guards interposed between said knives, clamps longitudithe cutter shaft, vertinally spaced on said supportingshafts engaglng'the oppositeends of the guards, each clamp having a shaft receiving opening in-.' termediatedts ends and a longitudinally slotted upper end forming tWo apertured-p' lugs held together by clafmping bolts there-' through, the lower endsof saidfclamps be ing bifurcated and apertured, said guards having slotted corners for overlapping engagement WIth the said bifurcated lower ends of the clamp, connecting elements 'passing through saldlast mentionedparts, and

said clamps positioned on the guard 'supporting shafts with their bifurcated lower ends spanning the cutter blades.

In testimony whereof I have hereunto set my hand in presence 'ofltwo subscrib ng P JOHN M WH Q Witnesses: 3 V

H. A. BALDWIN,

""FREDWIV. ZANDER.

guard supporting 

